CN110197496A - A kind of medical system control method, device, equipment and medium - Google Patents
A kind of medical system control method, device, equipment and medium Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000012544 monitoring process Methods 0.000 claims abstract description 39
- 230000005855 radiation Effects 0.000 claims abstract description 18
- 238000012545 processing Methods 0.000 claims description 11
- 238000004590 computer program Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 238000001959 radiotherapy Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000002591 computed tomography Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 230000005291 magnetic effect Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002595 magnetic resonance imaging Methods 0.000 description 3
- 238000002601 radiography Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000002059 diagnostic imaging Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000003439 radiotherapeutic effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
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- 238000003745 diagnosis Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000036544 posture Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/54—Control of apparatus or devices for radiation diagnosis
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/54—Control of apparatus or devices for radiation diagnosis
- A61B6/542—Control of apparatus or devices for radiation diagnosis involving control of exposure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1048—Monitoring, verifying, controlling systems and methods
- A61N5/1064—Monitoring, verifying, controlling systems and methods for adjusting radiation treatment in response to monitoring
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/003—Reconstruction from projections, e.g. tomography
- G06T11/008—Specific post-processing after tomographic reconstruction, e.g. voxelisation, metal artifact correction
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/20—Analysis of motion
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/70—Determining position or orientation of objects or cameras
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H30/00—ICT specially adapted for the handling or processing of medical images
- G16H30/20—ICT specially adapted for the handling or processing of medical images for handling medical images, e.g. DICOM, HL7 or PACS
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Abstract
The embodiment of the invention discloses a kind of medical system control method, device, equipment and media, which comprises when medical system unwrapping wire starts, carries out real-time monitoring to the motion amplitude of subject in table；The medical system is controlled according to the motion amplitude of the subject monitored, to reduce the dose of radiation that subject receives.Technical solution through the embodiment of the present invention realizes the purpose for reducing the X-ray radiation dosage that subject receives.
Description
Technical field
The present embodiments relate to intelligent medical image technology more particularly to a kind of medical system control method, device, set
Standby and medium.
Background technique
With the continuous development of medical technology, since each image documentation equipment can be quickly obtained the clear figure of situation in subject's body
Picture, therefore, more and more medical imaging equipment (such as CT (Computed Tomography, computed tomography)) quilts
Applied in clinic diagnosis.
By taking CT machine as an example, CT machine generally has rack and table.Rack includes the device that can emit and receive ray, this
A little devices issue ray and convert electric signal for the ray signal received to be used to generate scan image.Table is then used to hold
Carry subject (i.e. scanned target), usual subject with lie prone, lie etc. postures in table it is in place after, shifting that table passes through itself
It is dynamic that the position to be scanned of subject is moved to detection zone, to receive the scanning of ray.
Computer tomography technology is strongly dependent upon static subject, the reason is that, it is penetrated to reduce X as far as possible
The injury of line bring only treats scanned position and carries out unwrapping wire, therefore once position to be scanned to be aligned with radiation-emitting device,
Then subject is required to remain stationary, until the end of scan, otherwise will will affect the image quality of scan image, if being examined
The motion amplitude of person is excessive, will not obtain the image at targeted scans position, but is scanned to non-targeted position, causes
When previous scan fails.But in fact autonomous or non-autonomous movement can occur during the scanning process for subject, thus
The consistency and integrality of data for projection are destroyed, or even also results in finally obtained CT image and artifact phenomenon occurs, causes to work as
Previous scan failure, needs to rescan, undoubtedly increases the X-ray radiation dosage that subject receives.Likewise, in radiotherapy
Field is injured to reduce X-ray as far as possible to non-radiotherapy position bring, only carries out unwrapping wire to radiotherapy position (such as lesion),
Therefore Yi Dan radiotherapy position to be aligned with radiation-emitting device, then subject is required to remain stationary, if subject moves,
Then ray can not carry out due irradiation to radiotherapy position, irradiated instead to non-radiotherapy position, bring volume to subject
Outer damage.
Summary of the invention
The embodiment of the present invention provides a kind of medical system control method, device, equipment and medium, to reduce subject's receiving
The X-ray radiation dosage arrived.
In a first aspect, the embodiment of the invention provides a kind of medical system control methods, which comprises
When medical system unwrapping wire starts, real-time monitoring is carried out to the motion amplitude of subject in table；
The medical system is controlled according to the motion amplitude of the subject monitored, is received with reducing subject
Dose of radiation.
Further, the motion amplitude for the subject that the basis monitors controls the medical system, comprising:
When the motion amplitude of the subject monitored is not up to limiting threshold value, according to the movement width of the subject monitored
Degree controls the table movement, to compensate the movement of subject, makes target site and the radiation-emitting device holding pair of subject
It is quasi-；
When the motion amplitude of the subject monitored reaches capacity threshold value, control radiation-emitting device stops unwrapping wire with end
Only work as previous scan.
Further, the motion amplitude to subject in table carries out real-time monitoring, comprising:
Pass through the distribution of weight at least two pressure sensor real-time monitoring subjects being arranged in table；
It is analyzed according to motion amplitude of the distribution of weight of subject to subject.
Further, described when the motion amplitude of the subject monitored reaches capacity threshold value, control ray emission dress
It sets stopping unwrapping wire and works as previous scan to terminate, comprising:
When the difference between the distribution of weight at subject's current time and the distribution of weight of initial time reaches capacity
When threshold value, control radiation-emitting device stops unwrapping wire and works as previous scan to terminate.
Further, the motion amplitude to subject in table carries out real-time monitoring, comprising:
Captured in real-time is carried out to the subject in table by the camera of fixed setting, obtains shooting image；
The motion amplitude of the subject is analyzed based on the shooting image.
Further, the motion amplitude of the subject is analyzed based on the shooting image, comprising:
Image recognition is carried out to the shooting image, obtains position coordinates of the subject in the shooting image；
By subject in the position coordinates in current width shooting image and between the position coordinates in initial shooting image
Difference be determined as the motion amplitude of subject.
Further, the method also includes:
When the motion amplitude for monitoring subject reaches threshold threshold value, but not up to limiting threshold value when, issue prompt information,
To prompt medical staff's scan image to have the possibility there are artifact.
Second aspect, the embodiment of the invention also provides a kind of medical system, which includes:
Monitoring modular, for being supervised in real time to the motion amplitude of subject in table when medical system unwrapping wire starts
It surveys；
Control module, for being controlled according to the motion amplitude of the subject monitored the medical system, with drop
The dose of radiation that low subject receives.
The third aspect, the embodiment of the invention also provides a kind of electronic equipment, which includes:
One or more processing units；
Storage device, for storing one or more programs；
When one or more of programs are executed by one or more of processing units, so that one or more of places
Manage medical system control method of the device realization as described in any embodiment of the present invention.
Fourth aspect, the embodiment of the invention also provides a kind of computer readable storage mediums, are stored thereon with computer
Program realizes the medical system control method as described in any embodiment of the present invention when the program is executed by processing unit.
A kind of medical system control method provided in an embodiment of the present invention, by when medical system unwrapping wire starts, to bed
The motion amplitude of subject carries out real-time monitoring on platform, and according to the motion amplitude of the subject monitored to the medical system
It is controlled, to reduce the technological means for the dose of radiation that subject receives, realizing reduces the X-ray that subject receives
The purpose of dose of radiation.
Detailed description of the invention
Fig. 1 is a kind of medical system control method flow diagram that the embodiment of the present invention one provides；
Fig. 2 is a kind of structural schematic diagram of medical system provided by Embodiment 2 of the present invention；
Fig. 3 is the hardware structural diagram for a kind of electronic equipment that the embodiment of the present invention three provides.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
In following each embodiments, optional feature and example are provided simultaneously in each embodiment, that records in embodiment is each
A feature can be combined, and form multiple optinal plans, and the embodiment of each number should not be considered merely as to a technical solution.
Embodiment one
Fig. 1 is a kind of medical system control method flow diagram that the embodiment of the present invention one provides.This method is applicable
Medical system is controlled automatically in real time kinematics during medical system unwrapping wire according to subject, to reduce subject
The case where dose of radiation received.This method can be executed by medical system, the device can by software and/or
Hardware composition, and it is typically integrated into medical system, such as medical imaging equipment, radiotherapy apparatus etc..It is shown in Figure 1, the side
Method specifically comprises the following steps:
Step 110, when medical system unwrapping wire starts, in table subject motion amplitude carry out real-time monitoring.
Wherein, the medical system specifically can be CT (Computed Tomography, computed tomography), MRI
(Magnetic Resonance Imaging, magnetic resonance imaging), DR (take the photograph by Digital Radiography, digitalization radiation
Shadow), CR (Computed Radiography, Computed Radiography) or RT radiotherapy system etc..
Illustratively, carrying out real-time monitoring to the motion amplitude of subject in table includes:
Pass through the distribution of weight at least two pressure sensor real-time monitoring subjects being arranged in table；
It is analyzed according to motion amplitude of the distribution of weight of subject to subject.
Specifically, by establishing three-dimensional system of coordinate, by the monitoring numerical value weight of each pressure sensor synchronization (x,
Y, z) weight distribution curve for constituting subject's each moment is connected, and according to the distribution of weight of each moment subject song
Difference between line and the weight distribution curve of initial time subject analyzes the motion amplitude of subject, wherein initial
The weight distribution curve of moment subject characterizes initial position of the subject in table, by calculate each monitoring moment by
Difference between the position and initial position of inspection person determines the motion amplitude of subject.For example, it is assumed that the pressure in table is arranged in
There are two force snesor is total, respectively No. 1 pressure sensor and No. 2 pressure sensors carve No. 1 pressure sensor at the beginning
The monitoring numerical value of t1 is denoted as weight1 (x, y, z, t1), and the monitoring numerical value that No. 2 pressure sensors carve t1 at the beginning is denoted as
Weight2 (x, y, z, t1)；Monitoring numerical value by No. 1 pressure sensor at the t2 moment is denoted as weight1 (x, y, z, t2), by 2
Number monitoring numerical value of the pressure sensor at the t2 moment is denoted as weight2 (x, y, z, t2), then subject is within the t1-t2 period
Motion amplitude can be denoted as: [weight1 (x, y, z, t1)-weight1 (x, y, z, t2)]+[weight2 (x, y, z, t1)-
Weight2 (x, y, z, t2)].Alternatively, according to the difference between the weight distribution curve of adjacent moment subject to the fortune of subject
Dynamic amplitude is analyzed, and can also be other analysis modes certainly, can be configured according to specific algorithm, and tune need to be only corresponded to
Whole limiting threshold value.
The present embodiment is not defined the setting position of pressure sensor in table, as long as can be covered in turn by subject
Sense the distribution of weight of subject.It is understood that the quantity for the pressure sensor being arranged in table more it is more then
Monitor that the distribution of weight precision of subject is higher, a pressure sensor is only arranged in certain same position, i.e., different
Pressure sensor the different location of table need to be set.
Further, it can also be supervised in real time by motion amplitude of another implementation to subject in table
It surveys, specifically:
Captured in real-time is carried out to the subject in table by the camera of fixed setting, obtains shooting image；
Image recognition is carried out to the shooting image, obtains position coordinates of the subject in the shooting image；
By subject in the position coordinates in current width shooting image and between the position coordinates in initial shooting image
Difference be determined as the motion amplitude of subject, wherein position coordinates of the subject in the initial shooting image characterize
Initial position of the subject in table.
Since camera is fixed, table is fixed, if therefore subject move, subject is in shooting figure
As in position coordinates necessarily change, therefore can according to subject every width shooting image in position coordinates with initially clapping
The difference taken the photograph between the position coordinates in image determines the motion amplitude of subject.
Alternatively, be defined whether not to the fixation of camera, by the camera of fixed setting or can both lead to
The camera for crossing on-fixed setting carries out captured in real-time to the subject in table, obtains shooting image；To the shooting image
Image recognition is carried out, obtains subject in the shooting image with respect to the relative position coordinates of setting target, wherein described to set
It sets the goal as the edge of fixed object, such as table, since setting target is fixed, if subject moves,
Then the relative position between subject and setting target necessarily changes, therefore, can be based between subject and setting target
Relative position determine the motion amplitude of subject.
Step 120 controls the medical system according to the motion amplitude of the subject monitored, is examined with reducing
The dose of radiation that person receives.
Wherein, the medical system is controlled according to the motion amplitude of the subject monitored, comprising:
When the motion amplitude of the subject monitored is not up to limiting threshold value, according to the movement width of the subject monitored
Degree controls the table movement, to compensate the movement of subject, makes target site and the radiation-emitting device holding pair of subject
It is quasi-.By making the target site of subject keep being aligned with radiation-emitting device, realize to the effective of subject's target site
Irradiation to can get the imaged image of the high quality for target site, or carries out effective radiotherapy for target site,
To reduce the number of invalid unwrapping wire, the dose of radiation that subject receives is reduced.Specifically, can be previously according to table and ray
Positional relationship between emitter determines when subject moves in table, the sports rule of table, with compensate by
The movement of inspection person.Cause target site to be misplaced with radiation-emitting device for example, movement occurs in table for subject, makes
10 millimeters of front-left of the position that target site has been located at projected position of the radiation-emitting device in table is obtained, at this point, then leading to
The movement of control table is crossed, keeps the front-right of projected position of the target site of subject to radiation-emitting device in table mobile
10 millimeters, to realize the purpose for being directed at target site with radiation-emitting device.
Further, the medical system is controlled according to the motion amplitude of the subject monitored, further includes:
When the motion amplitude of the subject monitored reaches capacity threshold value, control radiation-emitting device stops unwrapping wire with end
Only work as previous scan.Specifically, when between the distribution of weight at subject's current time and the distribution of weight of initial time
Difference reach capacity threshold value when, control radiation-emitting device stops unwrapping wire and to terminate works as previous scan.Alternatively, working as the subject
Difference between the distribution of weight of adjacent moment reach capacity threshold value when, it is current to terminate that control radiation-emitting device stops unwrapping wire
Secondary scanning.Wherein, the limiting threshold value can be obtained ahead of time by many experiments, i.e., by the movement of simulation subject, determination is worked as
Motion amplitude reaches how many when, will lead to when previous scan is invalid, and then previous scan is worked as in termination immediately at this time, stops unwrapping wire, with
Reduce the dose of radiation scanned in vain that subject receives.Wherein, cause when the invalid situation of previous scan to include subject
Target site not in scan test section, that is, the ray launched can not be irradiated to the target site of subject；Or
Person, though the target site of subject in scan test section, but since the movement of subject will lead to serious motion artifacts, into
And cause the scan image ultimately generated unintelligible.
Further, multiple and different threshold values can be determined by many experiments, and according to the motion amplitude and threshold value of subject
Between relationship execute different control operations, for example, when monitor that the motion amplitude of subject reaches threshold threshold value, but do not reach
When to limiting threshold value, prompt information is issued, to prompt medical staff's scan image to have the possibility there are artifact.It indicates to be examined at this time
The motion amplitude of person is little, although there are certain motion artifacts being unlikely to that scan image is caused not see Chu completely, only needs
Remind the imaging between medical staff's caution area componental movement artifact and subject position to be detected.Wherein, alerting pattern can
It there are many, such as can be reminded, can also be reminded in such a way that screen is shown by way of voice plays, or
Person directly reminds etc. in the scan image ultimately generated.
A kind of medical system control method provided in this embodiment, when medical system unwrapping wire starts, by table
The motion amplitude of subject carries out real-time monitoring, and when monitoring that subject moves, but motion amplitude is not up to limiting threshold value
When, it is mobile according to the motion control table of subject, to compensate the movement of subject, protect target site and radiation-emitting device
Hold alignment；When the motion amplitude of subject reaches capacity threshold value, control radiation-emitting device stops unwrapping wire to terminate when previous
Scanning realizes the purpose for reducing the X-ray radiation dosage that subject receives, improves radiotherapeutic effect and image scanning matter
Amount.
Embodiment two
Fig. 2 is a kind of medical system structural schematic diagram provided by Embodiment 2 of the present invention.Refering to what is shown in Fig. 2,
The medical system includes: monitoring modular 210 and control module 220；
Wherein, monitoring modular 210, for when medical system unwrapping wire starts, to the motion amplitude of subject in table into
Row real-time monitoring；Control module 220, for being controlled according to the motion amplitude of the subject monitored to the medical system
System, to reduce the dose of radiation that subject receives.
Further, control module 220 includes:
First control unit, for when the motion amplitude of the subject monitored is not up to limiting threshold value, according to monitoring
It is mobile that the motion amplitude of the subject arrived controls the table, to compensate the movement of subject, make the target site of subject with
Radiation-emitting device keeps alignment；
Second control unit, for when the motion amplitude of the subject monitored reaches capacity threshold value, control ray to be sent out
Injection device stops unwrapping wire and works as previous scan to terminate.
Further, monitoring modular 210 includes:
Monitoring unit, the weight for at least two pressure sensor real-time monitoring subjects by being arranged in table
Distribution；
First analytical unit, for being analyzed according to the distribution of weight of subject the motion amplitude of subject.
Further, control module 220 is specifically used for distribution of weight and initial time when subject's current time
Distribution of weight between difference reach capacity threshold value when, control medical system stops unwrapping wire and to terminate works as previous scan.
Further, monitoring modular 210 includes:
Shooting unit carries out captured in real-time to the subject in table for the camera by fixed setting, is clapped
Take the photograph image；
Second analytical unit, for being analyzed based on the shooting image the motion amplitude of the subject.
Further, second analytical unit is specifically used for: carrying out image recognition to the shooting image, acquisition is examined
Position coordinates of the person in the shooting image；By subject current width shooting image in position coordinates with initially shooting
The difference between position coordinates in image is determined as the motion amplitude of subject.
Further, described device further include:
Cue module, for reaching threshold threshold value when the motion amplitude that monitor subject, but not up to limiting threshold value when,
Prompt information is issued, to prompt medical staff's scan image to have the possibility there are artifact.
Medical system provided in this embodiment, when medical system unwrapping wire starts, by being examined in table
The motion amplitude of person carries out real-time monitoring, when monitoring that subject moves, but when motion amplitude is not up to limiting threshold value, root
It is mobile according to the motion control table of subject, to compensate the movement of subject, make target site and radiation-emitting device holding pair
It is quasi-；When the motion amplitude of subject reaches capacity threshold value, control radiation-emitting device stops unwrapping wire and works as previous scan to terminate,
The purpose for reducing the X-ray radiation dosage that subject receives is realized, radiotherapeutic effect and image scanning quality are improved.
Medical system control method provided by any embodiment of the invention can be performed in above-mentioned control device, has the side of execution
The corresponding functional module of method and beneficial effect.
Embodiment three
Fig. 3 is the structural schematic diagram for a kind of electronic equipment that the embodiment of the present invention four provides.Fig. 3, which is shown, to be suitable for being used in fact
The block diagram of the example devices 12 of existing embodiment of the present invention.The equipment 12 that Fig. 3 is shown is only an example, should not be to this hair
The function and use scope of bright embodiment bring any restrictions.
As shown in figure 3, equipment 12 is showed in the form of universal computing device.The component of equipment 12 may include but unlimited
In one or more processor or processing unit 16, system storage 28, connecting different system components, (including system is deposited
Reservoir 28 and processing unit 16) bus 18.
Bus 18 indicates one of a few class bus structures or a variety of, including memory bus or Memory Controller,
Peripheral bus, graphics acceleration port, processor or the local bus using any bus structures in a variety of bus structures.It lifts
For example, these architectures include but is not limited to industry standard architecture (ISA) bus, microchannel architecture (MAC)
Bus, enhanced isa bus, Video Electronics Standards Association (VESA) local bus and peripheral component interconnection (PCI) bus.
Equipment 12 typically comprises a variety of computer system readable media.These media can be it is any can be by equipment 12
The usable medium of access, including volatile and non-volatile media, moveable and immovable medium.
System storage 28 may include the computer system readable media of form of volatile memory, such as arbitrary access
Memory (RAM) 30 and/or cache memory 32.Equipment 12 may further include it is other it is removable/nonremovable,
Volatile/non-volatile computer system storage medium.Only as an example, storage system 34 can be used for reading and writing irremovable
, non-volatile magnetic media (Fig. 3 do not show, commonly referred to as " hard disk drive ").Although being not shown in Fig. 3, use can be provided
In the disc driver read and write to removable non-volatile magnetic disk (such as " floppy disk "), and to removable anonvolatile optical disk
The CD drive of (such as CD-ROM, DVD-ROM or other optical mediums) read-write.In these cases, each driver can
To be connected by one or more data media interfaces with bus 18.Memory 28 may include at least one program product,
The program product has one group of (such as monitoring modular 210 and control module 220 in medical system) program module,
These program modules are configured to perform the function of various embodiments of the present invention.
With one group of (such as monitoring modular 210 and control module 220 in medical system) program module 42
Program/utility 40, can store in such as memory 28, such program module 42 include but is not limited to operate system
System, one or more application program, other program modules and program data, each of these examples or certain combination
In may include the realization of network environment.Program module 42 usually execute function in embodiment described in the invention and/or
Method.
Equipment 12 can also be communicated with one or more external equipments 14 (such as keyboard, sensing equipment, display 24 etc.),
Can also be enabled a user to one or more equipment interacted with the equipment 12 communication, and/or with enable the equipment 12 with
One or more of the other any equipment (such as network interface card, modem etc.) communication for calculating equipment and being communicated.It is this logical
Letter can be carried out by input/output (I/O) interface 22.Also, equipment 12 can also by network adapter 20 and one or
The multiple networks of person (such as local area network (LAN), wide area network (WAN) and/or public network, such as internet) communication.As shown,
Network adapter 20 is communicated by bus 18 with other modules of equipment 12.It should be understood that although not shown in the drawings, can combine
Equipment 12 use other hardware and/or software module, including but not limited to: microcode, device driver, redundant processing unit,
External disk drive array, RAID system, tape drive and data backup storage system etc..
Processing unit 16 by the program that is stored in system storage 28 of operation, thereby executing various function application and
Data processing, such as realize medical system control method provided by the embodiment of the present invention.
Example IV
The embodiment of the present invention four additionally provides a kind of computer readable storage medium, is stored thereon with computer program, should
Medical system control method described in any embodiment of the present invention is realized when program is executed by processor.The medical system control
Method, comprising:
When medical system unwrapping wire starts, real-time monitoring is carried out to the motion amplitude of subject in table；
The medical system is controlled according to the motion amplitude of the subject monitored, is received with reducing subject
Dose of radiation.
The computer storage medium of the embodiment of the present invention, can be using any of one or more computer-readable media
Combination.Computer-readable medium can be computer-readable signal media or computer readable storage medium.It is computer-readable
Storage medium for example may be-but not limited to-the system of electricity, magnetic, optical, electromagnetic, infrared ray or semiconductor, device or
Device, or any above combination.The more specific example (non exhaustive list) of computer readable storage medium includes: tool
There are electrical connection, the portable computer diskette, hard disk, random access memory (RAM), read-only memory of one or more conducting wires
(ROM), erasable programmable read only memory (EPROM or flash memory), optical fiber, portable compact disc read-only memory (CD-
ROM), light storage device, magnetic memory device or above-mentioned any appropriate combination.In this document, computer-readable storage
Medium can be any tangible medium for including or store program, which can be commanded execution system, device or device
Using or it is in connection.
Computer-readable signal media may include in a base band or as carrier wave a part propagate data-signal,
Wherein carry computer-readable program code.The data-signal of this propagation can take various forms, including but unlimited
In electromagnetic signal, optical signal or above-mentioned any appropriate combination.Computer-readable signal media can also be that computer can
Any computer-readable medium other than storage medium is read, which can send, propagates or transmit and be used for
By the use of instruction execution system, device or device or program in connection.
The program code for including on computer-readable medium can transmit with any suitable medium, including --- but it is unlimited
In wireless, electric wire, optical cable, RF etc. or above-mentioned any appropriate combination.
The computer for executing operation of the present invention can be write with one or more programming languages or combinations thereof
Program code, described program design language include object oriented program language-such as Java, Smalltalk, C++,
It further include conventional procedural programming language-such as C language or similar programming language.Program code can be complete
It executes, partly executed on the user computer on the user computer entirely, being executed as an independent software package, part
Part executes on the remote computer or executes on a remote computer or server completely on the user computer.It is relating to
And in the situation of remote computer, remote computer can pass through the network of any kind --- including local area network (LAN) or extensively
Domain net (WAN)-be connected to subscriber computer, or, it may be connected to outer computer (such as provided using Internet service
Quotient is connected by internet).
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of medical system control method characterized by comprising
When medical system unwrapping wire starts, real-time monitoring is carried out to the motion amplitude of subject in table；
The medical system is controlled according to the motion amplitude of the subject monitored, to reduce the spoke that subject receives
Penetrate dosage.
2. the method according to claim 1, wherein the motion amplitude for the subject that the basis monitors is to institute
Medical system is stated to be controlled, comprising:
When the motion amplitude of the subject monitored is not up to limiting threshold value, according to the motion amplitude control of the subject monitored
It is mobile to make the table, to compensate the movement of subject, the target site of subject is made to keep being aligned with radiation-emitting device；
When the motion amplitude of the subject monitored reaches capacity threshold value, control radiation-emitting device stops unwrapping wire and is worked as with terminating
Previous scan.
3. according to the method described in claim 2, it is characterized in that, the motion amplitude to subject in table carries out in real time
Monitoring, comprising:
Pass through the distribution of weight at least two pressure sensor real-time monitoring subjects being arranged in table；
It is analyzed according to motion amplitude of the distribution of weight of subject to subject.
4. according to the method described in claim 3, it is characterized in that, described when the motion amplitude of the subject monitored reaches pole
When limiting threshold value, control radiation-emitting device stops unwrapping wire and works as previous scan to terminate, comprising:
When the difference between the distribution of weight at subject's current time and the distribution of weight of initial time reaches capacity threshold value
When, control radiation-emitting device stops unwrapping wire and works as previous scan to terminate.
5. the method according to claim 1, wherein the motion amplitude to subject in table carries out in real time
Monitoring, comprising:
Captured in real-time is carried out to the subject in table by the camera of fixed setting, obtains shooting image；
The motion amplitude of the subject is analyzed based on the shooting image.
6. according to the method described in claim 5, it is characterized in that, based on the shooting image to the movement width of the subject
Degree is analyzed, comprising:
Image recognition is carried out to the shooting image, obtains position coordinates of the subject in the shooting image；
By position coordinates of the subject in current width shooting image and the difference between the position coordinates in initially shooting image
Value is determined as the motion amplitude of subject.
7. method according to claim 1-6, which is characterized in that further include:
When the motion amplitude for monitoring subject reaches threshold threshold value, but not up to limiting threshold value when, prompt information is issued, to mention
Show that medical staff's scan image has the possibility there are artifact.
8. a kind of medical system characterized by comprising
Monitoring modular, for carrying out real-time monitoring to the motion amplitude of subject in table when medical system unwrapping wire starts；
Control module, for being controlled according to the motion amplitude of subject monitored the medical system, with reduce by
The dose of radiation that inspection person receives.
9. a kind of electronic equipment, which is characterized in that the equipment includes:
One or more processing units；
Storage device, for storing one or more programs；
When one or more of programs are executed by one or more of processing units, so that one or more of processing fill
Set the medical system control method realized as described in any in claim 1-7.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that program dress processed
Set the medical system control method realized as described in any in claim 1-7 when execution.
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| CN113496775A (en) * | 2020-03-19 | 2021-10-12 | 上海联影医疗科技股份有限公司 | Control method and system of radioactive ray equipment |
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Address after: 201807 Shanghai City, north of the city of Jiading District Road No. 2258 Applicant after: Shanghai Lianying Medical Technology Co.,Ltd. Address before: 201807 Shanghai City, north of the city of Jiading District Road No. 2258 Applicant before: SHANGHAI UNITED IMAGING HEALTHCARE Co.,Ltd. |
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Application publication date: 20190903 |